Mercurial > hg > orthanc
annotate OrthancFramework/Sources/SQLite/Statement.h @ 5853:4d932683049d get-scu tip
very first implementation of C-Get SCU
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Tue, 29 Oct 2024 17:25:49 +0100 |
| parents | f7adfb22e20e |
| children |
| rev | line source |
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| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * |
| 3063 | 4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>, |
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5 * Medical Physics Department, CHU of Liege, Belgium |
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6 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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7 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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8 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 9 * |
| 17 | 10 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 11 * | |
| 12 * Redistribution and use in source and binary forms, with or without | |
| 13 * modification, are permitted provided that the following conditions are | |
| 14 * met: | |
| 0 | 15 * |
| 17 | 16 * * Redistributions of source code must retain the above copyright |
| 17 * notice, this list of conditions and the following disclaimer. | |
| 18 * * Redistributions in binary form must reproduce the above | |
| 19 * copyright notice, this list of conditions and the following disclaimer | |
| 20 * in the documentation and/or other materials provided with the | |
| 21 * distribution. | |
| 22 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 23 * nor the names of its contributors may be used to endorse or promote | |
| 24 * products derived from this software without specific prior written | |
| 25 * permission. | |
| 26 * | |
| 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 38 **/ |
| 39 | |
| 40 | |
| 41 #pragma once | |
| 42 | |
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43 #include "NonCopyable.h" |
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44 #include "OrthancSQLiteException.h" |
| 0 | 45 #include "StatementId.h" |
| 46 #include "StatementReference.h" | |
| 47 | |
| 48 #include <vector> | |
| 49 #include <stdint.h> | |
| 265 | 50 |
| 51 #if ORTHANC_BUILD_UNIT_TESTS == 1 | |
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52 # include <gtest/gtest_prod.h> |
| 265 | 53 #endif |
| 0 | 54 |
| 55 | |
| 59 | 56 namespace Orthanc |
| 0 | 57 { |
| 58 namespace SQLite | |
| 59 { | |
| 60 class Connection; | |
| 61 | |
| 62 // Possible return values from ColumnType in a statement. These | |
| 63 // should match the values in sqlite3.h. | |
| 64 enum ColumnType | |
| 65 { | |
| 66 COLUMN_TYPE_INTEGER = 1, | |
| 67 COLUMN_TYPE_FLOAT = 2, | |
| 68 COLUMN_TYPE_TEXT = 3, | |
| 69 COLUMN_TYPE_BLOB = 4, | |
| 70 COLUMN_TYPE_NULL = 5 | |
| 71 }; | |
| 72 | |
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73 class ORTHANC_PUBLIC Statement : public NonCopyable |
| 0 | 74 { |
| 75 friend class Connection; | |
| 265 | 76 |
| 77 #if ORTHANC_BUILD_UNIT_TESTS == 1 | |
| 138 | 78 FRIEND_TEST(SQLStatementTest, Run); |
| 79 FRIEND_TEST(SQLStatementTest, Reset); | |
| 265 | 80 #endif |
| 0 | 81 |
| 82 private: | |
| 83 StatementReference reference_; | |
| 84 | |
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85 int CheckError(int err, |
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86 ErrorCode code) const; |
| 0 | 87 |
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88 void CheckOk(int err, |
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89 ErrorCode code) const; |
| 0 | 90 |
| 91 struct sqlite3_stmt* GetStatement() const | |
| 92 { | |
| 93 return reference_.GetWrappedObject(); | |
| 94 } | |
| 95 | |
| 96 public: | |
| 97 Statement(Connection& database, | |
| 98 const std::string& sql); | |
| 99 | |
| 100 Statement(Connection& database, | |
| 101 const StatementId& id, | |
| 102 const std::string& sql); | |
| 103 | |
| 104 Statement(Connection& database, | |
| 105 const char* sql); | |
| 106 | |
| 107 Statement(Connection& database, | |
| 108 const StatementId& id, | |
| 109 const char* sql); | |
| 110 | |
| 4304 | 111 ~Statement(); |
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112 |
| 0 | 113 bool Run(); |
| 114 | |
| 115 bool Step(); | |
| 116 | |
| 117 // Diagnostics -------------------------------------------------------------- | |
| 118 | |
| 119 std::string GetOriginalSQLStatement(); | |
| 120 | |
| 121 | |
| 122 // Binding ------------------------------------------------------------------- | |
| 123 | |
| 124 // These all take a 0-based argument index | |
| 125 void BindNull(int col); | |
| 126 void BindBool(int col, bool val); | |
| 127 void BindInt(int col, int val); | |
| 128 void BindInt64(int col, int64_t val); | |
| 129 void BindDouble(int col, double val); | |
| 130 void BindCString(int col, const char* val); | |
| 131 void BindString(int col, const std::string& val); | |
| 132 //void BindString16(int col, const string16& value); | |
| 133 void BindBlob(int col, const void* value, int value_len); | |
| 134 | |
| 135 | |
| 136 // Retrieving ---------------------------------------------------------------- | |
| 137 | |
| 138 // Returns the number of output columns in the result. | |
| 139 int ColumnCount() const; | |
| 140 | |
| 141 // Returns the type associated with the given column. | |
| 142 // | |
| 143 // Watch out: the type may be undefined if you've done something to cause a | |
| 144 // "type conversion." This means requesting the value of a column of a type | |
| 145 // where that type is not the native type. For safety, call ColumnType only | |
| 146 // on a column before getting the value out in any way. | |
| 147 ColumnType GetColumnType(int col) const; | |
| 148 ColumnType GetDeclaredColumnType(int col) const; | |
| 149 | |
| 150 // These all take a 0-based argument index. | |
| 80 | 151 bool ColumnIsNull(int col) const ; |
| 0 | 152 bool ColumnBool(int col) const; |
| 153 int ColumnInt(int col) const; | |
| 154 int64_t ColumnInt64(int col) const; | |
| 155 double ColumnDouble(int col) const; | |
| 156 std::string ColumnString(int col) const; | |
| 157 //string16 ColumnString16(int col) const; | |
| 158 | |
| 159 // When reading a blob, you can get a raw pointer to the underlying data, | |
| 160 // along with the length, or you can just ask us to copy the blob into a | |
| 161 // vector. Danger! ColumnBlob may return NULL if there is no data! | |
| 162 int ColumnByteLength(int col) const; | |
| 163 const void* ColumnBlob(int col) const; | |
| 164 bool ColumnBlobAsString(int col, std::string* blob); | |
| 165 //bool ColumnBlobAsString16(int col, string16* val) const; | |
| 724 | 166 //bool ColumnBlobAsVector(int col, std::vector<char>* val) const; |
| 167 //bool ColumnBlobAsVector(int col, std::vector<unsigned char>* val) const; | |
| 0 | 168 |
| 724 | 169 // Resets the statement to its initial condition. This includes any current |
| 170 // result row, and also the bound variables if the |clear_bound_vars| is true. | |
| 171 void Reset(bool clear_bound_vars = true); | |
| 0 | 172 }; |
| 173 } | |
| 174 } |